Add 6/18 and 21/24
6/18 + 21/24 is 29/24.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 24 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 18 × 4 = 72,
6/18 = 6 × 4/18 × 4 = 24/72 - Likewise, for the 2nd fraction, since 24 × 3 = 72,
21/24 = 21 × 3/24 × 3 = 63/72 - Add the two like fractions:
24/72 + 63/72 = 24 + 63/72 = 87/72 - 87/72 simplified gives 29/24
- So, 6/18 + 21/24 = 29/24
In mixed form: 15/24
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 12/18+21/24 6/18+42/24 6/36+21/24 6/18+21/48 6/18+63/24 6/54+21/24 6/18+21/72 30/18+21/24 6/90+21/24 42/18+21/24